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(54) H22.24S.42 (71)
(1 1) 976020 (21) 329[illegible]925/22-03
(22) May 27, 1981 3(51) E 21 B 29/10
(53) 622.245.3 (72) G. S. Abdrakhmanov, K. V. Meling, G. M. Akmadiev, R. Kh. Ibatullin, I.
G. Yusupov, B. A. Lennan, A. G. Zainullin, A. A. DomaTchuk, A. M. Akhumov, and R. N.
Rakhmanov
(71) Tatar State Scientific-Research and Planning Institute of the Petroleum Industry
(54) (57) A DEVICE FOR REPAIR OF CASINGS IN A WELL, including a shaped sealing
assembly, at the ends of which are mounted upper and lower anchor assemblies in the form of
cones with seals and locking slips that form a hydraulic chamber with the sealing assembly,
grappling and fishing heads, one of which is joined to the cone of the upper anchor assembly
and the other is joined to the cone of the lower anchor assembly, distinguished by the fact
that, with the aim of improving the reliability of its operation, the grappling and fishing heads
have bearing lugs for engaging the shaped portion of the sealing assembly.
[see Russian original for figure]
TRANSPERFECT TRANSLATIONS
AFFIDAVIT OF ACCURACY
ATLANTA
BOSTON
BRUSSELS
CHICAGO
DALLAS
FRANKFURT
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MIAMI
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I, Kim Stewart, hereby certify that the following is, to the best of my
knowledge and belief, true and accurate translations performed by
professional translators of the following patents/abstracts from Russian to
English:
Patent 953172
Abstract 976020
Patent 1686124A1
Patent *\ 747673A1
Kim Stewart
TransPerfect Translations, Inc.
3600 One Houston Center
1221 McKinney
Houston, TX 77010
Sworn to before me this
14th day of February 2002.
Signature, Notary Public
Stamp, Notary Public
Harris County
Houston, TX
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